21313110310210 has 16 divisors (see below), whose sum is σ = 38736060682176. Its totient is φ = 8442474763248.

The previous prime is 21313110310201. The next prime is 21313110310273. The reversal of 21313110310210 is 1201301131312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10346169024 + ... + 10346171083.

It is an arithmetic number, because the mean of its divisors is an integer number (2421003792636).

Almost surely, 2^{21313110310210} is an apocalyptic number.

21313110310210 is a deficient number, since it is larger than the sum of its proper divisors (17422950371966).

21313110310210 is a wasteful number, since it uses less digits than its factorization.

21313110310210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20692340217.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21313110310210 its reverse (1201301131312), we get a palindrome (22514411441522).

The spelling of 21313110310210 in words is "twenty-one trillion, three hundred thirteen billion, one hundred ten million, three hundred ten thousand, two hundred ten".